package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.BaseContext;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.AddressBook;
import com.itheima.reggie.service.AddressBookService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.CollectionUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 地址簿管理
 */
@Slf4j
@RestController
@RequestMapping("/addressBook")
public class AddressBookController {

    @Autowired
    private AddressBookService addressBookService;

//    /**
//     * 新增
//     */
//    @PostMapping
//    public R<AddressBook> save(@RequestBody AddressBook addressBook) {
//        addressBook.setUserId(BaseContext.getCurrentId());
//        log.info("addressBook:{}", addressBook);
//        addressBookService.save(addressBook);
//        return R.success(addressBook);
//    }

    /**
     * 新增
     */
    @PostMapping
    public R<AddressBook> addOne(@RequestBody AddressBook addressBook)
    {
        //设置该地址的用户id
        addressBook.setUserId(BaseContext.getCurrentId());
        log.info("新增地址为:{}", addressBook);

        addressBookService.save(addressBook);
        return R.success(addressBook);

    }

//    /**
//     * 设置默认地址
//     */
//    @PutMapping("default")
//    public R<AddressBook> setDefault(@RequestBody AddressBook addressBook) {
//        log.info("addressBook:{}", addressBook);
//        LambdaUpdateWrapper<AddressBook> wrapper = new LambdaUpdateWrapper<>();
//        wrapper.eq(AddressBook::getUserId, BaseContext.getCurrentId());
//        wrapper.set(AddressBook::getIsDefault, 0);
//        //SQL:update address_book set is_default = 0 where user_id = ?
//        addressBookService.update(wrapper);
//
//        addressBook.setIsDefault(1);
//        //SQL:update address_book set is_default = 1 where id = ?
//        addressBookService.updateById(addressBook);
//        return R.success(addressBook);
//    }

    /**
     * 修改默认地址
     * 先将当前用户的所有地址默认值清零，再重新设置默认值
     */
    @PutMapping("/default")
    public R<AddressBook> setDefaultAddress(@RequestBody AddressBook addressBook)
    {
        log.info("将{}修改为默认地址", addressBook);
        //当前用户的id
        Long currentId = BaseContext.getCurrentId();

        //查询用户的所有地址记录，归零
        LambdaUpdateWrapper<AddressBook> lambdaQueryWrapper = new LambdaUpdateWrapper<>();
        lambdaQueryWrapper.eq(AddressBook::getUserId, currentId);
        lambdaQueryWrapper.set(AddressBook::getIsDefault, 0);

        addressBookService.update(lambdaQueryWrapper);

        //设置传入地址为默认地址
        addressBook.setIsDefault(1);

        addressBookService.updateById(addressBook);

        return R.success(addressBook);
    }

//    /**
//     * 根据id查询地址
//     */
//    @GetMapping("/{id}")
//    public R get(@PathVariable Long id) {
//        AddressBook addressBook = addressBookService.getById(id);
//        if (addressBook != null) {
//            return R.success(addressBook);
//        } else {
//            return R.error("没有找到该对象");
//        }
//    }

    /**
     * 根据id查询地址
     */
    @GetMapping("/{id}")
    public R<AddressBook> getById(@PathVariable Long id)
    {
        log.info("要查询的地址的id为{}", id);
        AddressBook one = addressBookService.getById(id);
        if(one != null)
        {
            return R.success(one);
        }
        return R.error("没有找到该对象");

    }


//    /**
//     * 查询默认地址
//     */
//    @GetMapping("default")
//    public R<AddressBook> getDefault() {
//        LambdaQueryWrapper<AddressBook> queryWrapper = new LambdaQueryWrapper<>();
//        queryWrapper.eq(AddressBook::getUserId, BaseContext.getCurrentId());
//        queryWrapper.eq(AddressBook::getIsDefault, 1);
//
//        //SQL:select * from address_book where user_id = ? and is_default = 1
//        AddressBook addressBook = addressBookService.getOne(queryWrapper);
//
//        if (null == addressBook) {
//            return R.error("没有找到该对象");
//        } else {
//            return R.success(addressBook);
//        }
//    }

    /**
     * 查询默认地址
     */
    @GetMapping("/default")
    public R<AddressBook> getDefaultAddress()
    {
        //找到这个人
        Long currentId = BaseContext.getCurrentId();

        //找到该人的默认地址
        LambdaQueryWrapper<AddressBook> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(AddressBook::getUserId, currentId);
        queryWrapper.eq(AddressBook::getIsDefault, 1);

        AddressBook one = addressBookService.getOne(queryWrapper);

        if(one == null)
        {
            return R.error("该人没有默认地址");
        }
        else
            return R.success(one);
    }

    /**
     * 查询指定用户的全部地址
     */
//    @GetMapping("/list")
//    public R<List<AddressBook>> list(AddressBook addressBook) {
//        addressBook.setUserId(BaseContext.getCurrentId());
//        log.info("addressBook:{}", addressBook);
//
//        //条件构造器
//        LambdaQueryWrapper<AddressBook> queryWrapper = new LambdaQueryWrapper<>();
//        queryWrapper.eq(null != addressBook.getUserId(), AddressBook::getUserId, addressBook.getUserId());
//        queryWrapper.orderByDesc(AddressBook::getUpdateTime);
//
//        //SQL:select * from address_book where user_id = ? order by update_time desc
//        return R.success(addressBookService.list(queryWrapper));
//    }


    /**
     * 查询指定用户的全部地址
     */
    @GetMapping("/list")
    public R<List<AddressBook>> getAllAddress(AddressBook addressBook)
    {
        //找到用户
        Long currentId = BaseContext.getCurrentId();
        addressBook.setUserId(currentId);

        //查询所有地址
        LambdaQueryWrapper<AddressBook> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(addressBook.getUserId() != null, AddressBook::getUserId, addressBook.getUserId());
        lambdaQueryWrapper.orderByDesc(AddressBook::getUpdateTime);

        List<AddressBook> list = addressBookService.list(lambdaQueryWrapper);

        return R.success(list);

    }

}
